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相关论文: Online Phase Reconstruction via DNN-based Phase Di…

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Besides accuracy, the model size of convolutional neural networks (CNN) models is another important factor considering limited hardware resources in practical applications. For example, employing deep neural networks on mobile systems…

机器学习 · 计算机科学 2021-07-05 Huixin Zhan , Wei-Ming Lin , Yongcan Cao

Due to inappropriate sample selection and limited training data, a distribution shift often exists between the training and test sets. This shift can adversely affect the test performance of Graph Neural Networks (GNNs). Existing approaches…

机器学习 · 计算机科学 2023-10-16 Rui Ding , Jielong Yang , Feng Ji , Xionghu Zhong , Linbo Xie

Phase-retrieval techniques aim to recover the original signal from just the modulus of its Fourier transform, which is usually much easier to measure than its phase, but the standard iterative techniques tend to fail if only part of the…

图像与视频处理 · 电气工程与系统科学 2023-07-06 Giovanni Pellegrini , Jacopo Bertolotti

Phase retrieval is one of the most challenging processes in many interferometry techniques. To promote the phase retrieval, Xu et. al [X. Xu, Y. Wang, Y. Xu, W. Jin. 2016] proposed a method based on dual-wavelength interferometry. However,…

仪器与探测器 · 物理学 2018-02-14 Minmin Wang , Canlin Zhou , Shuchun Si , XiaoLei Li , Zhenkun Lei , YanJie Li

A convolution neural network (CNN) based classification method for broadband DOA estimation is proposed, where the phase component of the short-time Fourier transform coefficients of the received microphone signals are directly fed into the…

声音 · 计算机科学 2019-12-18 Soumitro Chakrabarty , Emanuël. A. P. Habets

Deep learning based speech enhancement in the short-time Fourier transform (STFT) domain typically uses a large window length such as 32 ms. A larger window can lead to higher frequency resolution and potentially better enhancement. This…

声音 · 计算机科学 2022-12-07 Zhong-Qiu Wang , Gordon Wichern , Shinji Watanabe , Jonathan Le Roux

Conventional deep learning-based image reconstruction methods require a large amount of training data which can be hard to obtain in practice. Untrained deep learning methods overcome this limitation by training a network to invert a…

图像与视频处理 · 电气工程与系统科学 2024-07-09 Carlos Osorio Quero , Daniel Leykam , Irving Rondon Ojeda

Deep neural networks (DNN) are powerful models for many pattern recognition tasks, yet their high computational complexity and memory requirement limit them to applications on high-performance computing platforms. In this paper, we propose…

机器学习 · 计算机科学 2018-10-24 Lukas Mauch , Bin Yang

We propose a method for estimating the magnitude distribution of an acoustic field from spatially sparse magnitude measurements. Such a method is useful when phase measurements are unreliable or inaccessible. Physics-informed neural…

声音 · 计算机科学 2026-01-28 Karl Schrader , Shoichi Koyama , Tomohiko Nakamura , Mirco Pezzoli

Holography encodes the three dimensional (3D) information of a sample in the form of an intensity-only recording. However, to decode the original sample image from its hologram(s), auto-focusing and phase-recovery are needed, which are in…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Yichen Wu , Yair Rivenson , Yibo Zhang , Zhensong Wei , Harun Gunaydin , Xing Lin , Aydogan Ozcan

Signal extraction from a single-channel mixture with additional undesired signals is most commonly performed using time-frequency (TF) masks. Typically, the mask is estimated with a deep neural network (DNN), and element-wise applied to the…

声音 · 计算机科学 2019-12-10 Wolfgang Mack , Emanuël A. P. Habets

We use Deep Neural Networks (DNNs) to classify and reconstruct a large database of handwritten digits from the intensity of the speckle patterns that result after the images propagated through multimode fibers (MMF). Images transmitted…

光学 · 物理学 2018-08-21 Navid Borhani , Eirini Kakkava , Christophe Moser , Demetri Psaltis

Fourier phase retrieval (FPR) is a challenging task widely used in various applications. It involves recovering an unknown signal from its Fourier phaseless measurements. FPR with few measurements is important for reducing time and hardware…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Liyuan Ma , Hongxia Wang , Ningyi Leng , Ziyang Yuan

Deep neural networks (DNN) have achieved great success in image restoration. However, most DNN methods are designed as a black box, lacking transparency and interpretability. Although some methods are proposed to combine traditional…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Chong Mou , Qian Wang , Jian Zhang

In Fringe Projection Profilometry (FPP), achieving robust and accurate 3D reconstruction with a limited number of fringe patterns remains a challenge in structured light 3D imaging. Conventional methods require a set of fringe images, but…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Won-Hoe Kim , Bongjoong Kim , Hyung-Gun Chi , Jae-Sang Hyun

In this study we explore the possibility to use deep learning for the reconstruction of phase images from 4D scanning transmission electron microscopy (4D-STEM) data. The process can be divided into two main steps. First, the complex…

材料科学 · 物理学 2023-02-15 Thomas Friedrich , Chu-Ping Yu , Jo Verbeeck , Sandra Van Aert

Building large models with parameter sharing accounts for most of the success of deep convolutional neural networks (CNNs). In this paper, we propose doubly convolutional neural networks (DCNNs), which significantly improve the performance…

机器学习 · 计算机科学 2016-11-01 Shuangfei Zhai , Yu Cheng , Weining Lu , Zhongfei Zhang

Nonparametric mean function regression with repeated measurements serves as a cornerstone for many statistical branches, such as longitudinal/panel/functional data analysis. In this work, we investigate this problem using fully connected…

统计理论 · 数学 2025-02-27 Shunxing Yan , Fang Yao , Hang Zhou

Algorithms for processing data in short-time batches are critical for both online and offline processing of streamed and large data respectively due to the quadratic relation between signal length and computational cost of convolution-based…

量子物理 · 物理学 2025-04-30 Sreeraj Rajindran Nair , Benjamin Southwell , Christopher Ferrie

Phase-contrast magnetic resonance imaging (MRI) provides time-resolved quantification of blood flow dynamics that can aid clinical diagnosis. Long in vivo scan times due to repeated three-dimensional (3D) volume sampling over cardiac phases…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Valery Vishnevskiy , Jonas Walheim , Sebastian Kozerke